Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Deepen the exhaust note without replacing the entire exhaust system
In-house engineered for VW Golf R enthusiasts! Featuring T304 SS Tig-welded 3.0" tubing, a center resonator and a valved muffler assembly. Maximum gains of up to +30 WHP!
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This product was last offered at the strikethrough price on
05-05-2026
Stainless steel 3" downpipe with high flow catalytic converter designed to work with factory cat-back exhaust systems.
For use with factory cat-back exhaust only
Features a valved passenger-side tip outlet and retains the factory valve behavior based on throttle input, engine speed, and Drive Mode.
Constructed from TIG-welded and mandrel-bent brushed finished 304 stainless steel
This product was last offered at the strikethrough price on
05-27-2026
Replaces the restrictive factory resonator to deliver a deeper, more aggressive exhaust note
Pair of slash-cut double-walled 4� exhaust tips with 2.5" inlets
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Each kit is sold as a set of two tips. Four tips are required.
This product was last offered at the strikethrough price on
06-24-2026
Clamps downpipe to turbo
T304 Stainless Steel Mandrel Bent Tubing
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100% 304L “Aircraft” Grade Stainless Steel - Non-Valved Race System. Non-resonated (louder)
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
Featuring a HJS brand 200-cell Hi-Flow Sport Cat
Built to last with 304 stainless steel and engineered for dyno-proven power gains.
Featuring a Milltek Sport Hi-Flow Sport Cat, for use with the stock cat-back
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.